Drastic (adjective)

1. Having a strong or far-reaching effect; radical.
2. Having a sudden or violent effect.

Origin:

Late 19th century: from greek drastikos "effective", from dran "do".

Examples:

1. The company took drastic measures to reduce costs and improve profits.
2. The changes to the policy were seen as too drastic by some stakeholders.
3. The surgery was a drastic but necessary step to save the patient's life.
4. The government implemented drastic measures to control the spread of the virus.
5. The sudden change in weather was a drastic shift from the warm and sunny conditions.